Petco announced several leadership changes including the addition of chairman responsibilities to CEO Jim Myer’s role. The company also named Brad Weston as president.

According to Petco, Weston previously served as executive vice president, chief merchandising officer and president of Unleashed by Petco. A retail veteran, Weston joined Petco in October 2011 as executive VP, chief merchant, and he has led the evolution of the Unleashed by Petco brand and format. Prior to joining Petco, Weston held various leadership positions in merchandising for other retailers, including Dick’s Sporting Goods, Golf Galaxy and May Department Stores.

Petco announced other changes. Steve Lossing will succeed Tom Farello, who is retiring in 2016 as senior VP, operations. Farello will work with his successor into next year on several projects before retiring, Petco said. Previously, Lossing served as senior vice president, merchandising and was responsible for Petco's product assortment and merchandising strategy.

Rebecca Frechette has been named senior VP, merchandising, with responsibility for all merchandising activities across Petco.

“As Petco continues to evolve, these important leadership changes strengthen our ability to achieve our goals and move forward on key strategic initiatives, while also serving to recognize the talent and accomplishments of key leaders in our organization,” Myers said.